paper introduces the multilevel inverter and interleave of multilevel inverter,and in the control scheme selection side,the triangular carrier phase shifting PWM technique is introduced.

• 本文介绍了开关功率放大器的拓扑及控制方案的选择,拓扑选择方面介绍了多电平电路以及多电平电路的交错级联,控制方案方面介绍了三角载波移相PWM技术。